/*
 *  Copyright 2008 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.mybatis.generator.codegen;

import static org.mybatis.generator.internal.util.JavaBeansUtil.getGetterMethodName;
import static org.mybatis.generator.internal.util.JavaBeansUtil.getSetterMethodName;
import static org.mybatis.generator.internal.util.StringUtility.isTrue;

import java.util.List;
import java.util.Properties;

import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.java.CompilationUnit;
import org.mybatis.generator.api.dom.java.Field;
import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
import org.mybatis.generator.api.dom.java.JavaVisibility;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.api.dom.java.Parameter;
import org.mybatis.generator.api.dom.java.TopLevelClass;
import org.mybatis.generator.config.PropertyRegistry;

/**
 * 
 * @author Jeff Butler
 * 
 */
public abstract class AbstractJavaGenerator extends AbstractGenerator {
	public abstract List<CompilationUnit> getCompilationUnits();

	public static Method getGetter(Field field) {
		Method method = new Method();
		method.setName(getGetterMethodName(field.getName(), field.getType()));
		method.setReturnType(field.getType());
		method.setVisibility(JavaVisibility.PUBLIC);
		StringBuilder sb = new StringBuilder();
		sb.append("return "); //$NON-NLS-1$
		sb.append(field.getName());
		sb.append(';');
		method.addBodyLine(sb.toString());
		return method;
	}

	public Method getJavaBeansGetter(IntrospectedColumn introspectedColumn) {
		FullyQualifiedJavaType fqjt = introspectedColumn.getFullyQualifiedJavaType();
		String property = introspectedColumn.getJavaProperty();

		Method method = new Method();
		method.setVisibility(JavaVisibility.PUBLIC);
		method.setReturnType(fqjt);
		method.setName(getGetterMethodName(property, fqjt));
		context.getCommentGenerator().addGetterComment(method, introspectedTable, introspectedColumn);

		StringBuilder sb = new StringBuilder();
		sb.append("return "); //$NON-NLS-1$
		sb.append(property);
		sb.append(';');
		method.addBodyLine(sb.toString());

		return method;
	}

	//cjianquan 2020/2/1
	public Method getJavaBeansGetter4Date(IntrospectedColumn introspectedColumn,String str) {
		FullyQualifiedJavaType fqjt = introspectedColumn.getFullyQualifiedJavaType();
		String property = introspectedColumn.getJavaProperty();
		property+=str;

		Method method = new Method();
		method.setVisibility(JavaVisibility.PUBLIC);
		method.setReturnType(fqjt);
		method.setName(getGetterMethodName(property, fqjt));
		context.getCommentGenerator().addGetterComment(method, introspectedTable, introspectedColumn);

		StringBuilder sb = new StringBuilder();
		sb.append("return "); //$NON-NLS-1$
		sb.append(property);
		sb.append(';');
		method.addBodyLine(sb.toString());

		return method;
	}

	public Field getJavaBeansField(IntrospectedColumn introspectedColumn) {
		FullyQualifiedJavaType fqjt = introspectedColumn.getFullyQualifiedJavaType();
		String property = introspectedColumn.getJavaProperty();

		Field field = new Field();
		field.setVisibility(JavaVisibility.PRIVATE);
		field.setType(fqjt);
		field.setName(property);
		context.getCommentGenerator().addFieldComment(field, introspectedTable, introspectedColumn);

		return field;
	}

	//cjianquan 2020/2/1
	public Field getJavaBeansField4Date(IntrospectedColumn introspectedColumn,String str) {
		FullyQualifiedJavaType fqjt = introspectedColumn.getFullyQualifiedJavaType();
		String property = introspectedColumn.getJavaProperty();
		property+=str;

		Field field = new Field();
		field.setVisibility(JavaVisibility.PRIVATE);
		field.setType(fqjt);
		field.setName(property);
		context.getCommentGenerator().addFieldComment(field, introspectedTable, introspectedColumn);

		return field;
	}

	public Method getJavaBeansSetter(IntrospectedColumn introspectedColumn) {
		FullyQualifiedJavaType fqjt = introspectedColumn.getFullyQualifiedJavaType();
		String property = introspectedColumn.getJavaProperty();

		Method method = new Method();
		method.setVisibility(JavaVisibility.PUBLIC);
		method.setName(getSetterMethodName(property));
		method.addParameter(new Parameter(fqjt, property));
		context.getCommentGenerator().addSetterComment(method, introspectedTable, introspectedColumn);

		StringBuilder sb = new StringBuilder();
		if (isTrimStringsEnabled() && introspectedColumn.isStringColumn()) {
			sb.append("this."); //$NON-NLS-1$
			sb.append(property);
			sb.append(" = "); //$NON-NLS-1$
			sb.append(property);
			sb.append(" == null ? null : "); //$NON-NLS-1$
			sb.append(property);
			sb.append(".trim();"); //$NON-NLS-1$
			method.addBodyLine(sb.toString());
		} else {
			sb.append("this."); //$NON-NLS-1$
			sb.append(property);
			sb.append(" = "); //$NON-NLS-1$
			sb.append(property);
			sb.append(';');
			method.addBodyLine(sb.toString());
		}

		return method;
	}

	public Method getJavaBeansSetter4Date(IntrospectedColumn introspectedColumn,String str) {
		FullyQualifiedJavaType fqjt = introspectedColumn.getFullyQualifiedJavaType();
		String property = introspectedColumn.getJavaProperty();
		property+=str;

		Method method = new Method();
		method.setVisibility(JavaVisibility.PUBLIC);
		method.setName(getSetterMethodName(property));
		method.addParameter(new Parameter(fqjt, property));
		context.getCommentGenerator().addSetterComment(method, introspectedTable, introspectedColumn);

		StringBuilder sb = new StringBuilder();
		if (isTrimStringsEnabled() && introspectedColumn.isStringColumn()) {
			sb.append("this."); //$NON-NLS-1$
			sb.append(property);
			sb.append(" = "); //$NON-NLS-1$
			sb.append(property);
			sb.append(" == null ? null : "); //$NON-NLS-1$
			sb.append(property);
			sb.append(".trim();"); //$NON-NLS-1$
			method.addBodyLine(sb.toString());
		} else {
			sb.append("this."); //$NON-NLS-1$
			sb.append(property);
			sb.append(" = "); //$NON-NLS-1$
			sb.append(property);
			sb.append(';');
			method.addBodyLine(sb.toString());
		}

		return method;
	}

	public boolean isTrimStringsEnabled() {
		Properties properties = context.getJavaModelGeneratorConfiguration().getProperties();
		boolean rc = isTrue(properties.getProperty(PropertyRegistry.MODEL_GENERATOR_TRIM_STRINGS));
		return rc;
	}

	public String getRootClass() {
		String rootClass = introspectedTable.getTableConfigurationProperty(PropertyRegistry.ANY_ROOT_CLASS);
		if (rootClass == null) {
			Properties properties = context.getJavaModelGeneratorConfiguration().getProperties();
			rootClass = properties.getProperty(PropertyRegistry.ANY_ROOT_CLASS);
		}

		return rootClass;
	}

	protected void addDefaultConstructor(TopLevelClass topLevelClass) {
		Method method = new Method();
		method.setVisibility(JavaVisibility.PUBLIC);
		method.setConstructor(true);
		method.setName(topLevelClass.getType().getShortName());
		method.addBodyLine("super();"); //$NON-NLS-1$
		context.getCommentGenerator().addGeneralMethodComment(method, introspectedTable);
		topLevelClass.addMethod(method);
	}
}
